(("Polyurethanes"[Mesh] OR "Isocyanates"[Mesh:NoExp] OR polyurethane*[tiab] OR isocyanate*[tiab] OR ostamer*[tiab] OR pellethane*[tiab] OR polyisocyanate*[tiab] OR spandex[tiab] OR spandices[tiab] OR pur[tiab] OR polyurethane*[ot] OR isocyanate*[ot] OR ostamer*[ot] OR pellethane*[ot] OR polyisocyanate*[ot] OR spandex[ot] OR spandices[ot] OR pur[ot]) AND (foam*[tiab] OR spray*[tiab] OR foam*[ot] OR spray*[ot])) OR "polyurethane foam" [Supplementary Concept] OR spf[tiab] OR spf[ot]
